Lesson: Sum of a Finite Arithmetic Series
In this lesson, we will learn how to find the sum of a finite arithmetic series or the nth partial sum of an infinite arithmetic series to a particular term.
Sample Question Videos
Worksheet: 25 Questions • 4 Videos
Fady saves £1 on the first day, £2 on the second day, £3 on the third day, and so on, saving an extra each day. On which day will he have saved over £100 in total?
Write an expression for the sum of the first terms of an arithmetic sequence with first term and last term .
Find using properties of summation and given and .